<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>字节跳动loading</title>
    <!-- <link rel="stylesheet" href="./loading.css"> -->
    <style>
        .spinner {
          margin: 100px auto;
          width: 50px;
          height: 50px;
          text-align: center;
          font-size: 10px;
        }
        .spinner > div {
          display: inline-block;
          width: 5px;
          height: 100%;
          background-color: rgb(43, 128, 226);
          margin-right: 1px;
          animation: bytedance 1s infinite;
        }
        .spinner > div:nth-child(2) {
          animation-delay: -0.9s;
        }
        .spinner > div:nth-child(3) {
          animation-delay: -0.7s;
        }
        .spinner > div:nth-child(4) {
          animation-delay: -0.6s;
        }
        .spinner > div:nth-child(5) {
          animation-delay: -0.5s;
        }
        @keyframes bytedance {
          0%, 40%, 100% {
            transform: scaleY(0.4);
          }
          20% {
            transform: scaleY(1);
          }
        }
    </style>
</head>
<body>
    <div class="spinner">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
</body>
</html>